By Column: Everything | Demographics | Sexual History | Attitudes | Relationships | Dating | Hookups
Alphabetically: Everything | Demographics | Sexual History | Attitudes | Relationships | Dating | Hookups
server.year
| Variable Summary | Undergrad | Freshman | Sophomore | Junior | Senior | 
| Sexually active students: | Undergrad | Freshman | Sophomore | Junior | Senior | 
| Casual-sexually active students: | Undergrad | Freshman | Sophomore | Junior | Senior | 
| students (server_year) | ||||||
| All Rs | Female | Male | ||||
| 2006 | 283 | 16.14% | 180 | 15.82% | 103 | 16.91% | 
| 2007 | 534 | 30.46% | 324 | 28.47% | 209 | 34.32% | 
| 2008 | 432 | 24.64% | 294 | 25.83% | 136 | 22.33% | 
| 2009 | 343 | 19.57% | 241 | 21.18% | 100 | 16.42% | 
| 2010 | 161 | 9.18% | 99 | 8.70% | 61 | 10.02% | 
| Missing | 
335
 (16.04%)  | 
– | 
224
 (16.45%)  | 
– | 
108
 (15.06%)  | 
– | 
| Total | 2088 | 100% | 1362 | 100% | 717 | 100% | 
These tables reflect only undergraduates attending 4-year colleges who are of normative age -- 18, 19, 20, 21, or 22, +/- 1, for freshman, sophomores, juniors, and seniors, respectively.